Home / 11,006.63-15,191.87-6,758.71

Finding the Fourth Proportional to 11,006.63, 15,191.87 and 6,758.71

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Solution

The fourth proportional to 11,006.63, 15,191.87 and 6,758.71 is: 9,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.63 : 15,191.87 = 6,758.71 : x
  2. Step 2: Convert to fraction form
    11,006.63/15,191.87 = 6,758.71/x
  3. Step 3: Cross multiply
    11,006.63x = 15,191.87 × 6,758.71
  4. Step 4: Simplify right side
    11,006.63x = 102,677,409.89
  5. Step 5: Solve for x
    x = 102,677,409.89/11,006.63
  6. Step 6: Final answer
    x = 9,328.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.